As of 2010-2014, median price of a house in Arapahoe is $65,700, which is much lower than the state average of $130,100 and is much lower than the national average of $175,700. The Arapahoe median house value has grown by 47.97% since 2000. The growth rate for the price of a house in Arapahoe is about the same as the state average rate of 47.84% and is about the same as the national average rate of 46.91%. The median year that a house in Arapahoe was built is 1958, which is older than the median year for a house built in the state which is 1970 and is older than the median year for a house built in the USA which is 1976.